Windows 10/11 (21H2): Wipe does not delete user data

Posted on 2022-02-21 by guenni

Windows[English]Microsoft offers the possibility to reset a system with Windows 10 or Windows 11 to factory settings locally or remotely (via Intune). There is also the option to remove the user files. This is desirable if a machine is perhaps to be passed on to another user. MVP Rudy Ooms has now discovered that resetting Windows including removing the user files does not work under Windows 10 and Windows 11 in version 21H2. Addendum: Note about OneDrive client als a root cause added. Addendum 2: The issue has been confirmed by Microsoft.

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Vulnerability discovered in various zebNet products (Feb. 2022)

Posted on 2022-02-20 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]The vendor zebNet has discovered a critical vulnerability in various products that allow a man-in-the-middle attack (MITM) in the update process of the affected application. The night I was then contacted by the manufacturer by mail and asked to publish the whole thing here in the blog. The background: Informing customers about the vulnerability is proving difficult.

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Security Updates for Cisco Email Security Appliances (Feb. 2022)

Posted on 2022-02-20 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]Cisco has released security updates this week to close a highly classified vulnerability (CVE-2022-20653) in its email security appliances. Attackers were able to crash the e-mail security appliances via prepared e-mails and thus virtually launch a DoS attack. Affects Cisco AsyncOS software versions 14.0, 13.5, 13.0, 12.5 and older on Cisco ESA devices when DANE is enabled.

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Ransomware hits Europe's industrial control systems and operating technology as frequently as IT systems

Posted on 2022-02-19 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]Interesting findings from a survey of 1,100 security specialists as part of a study with regard to the security of industrial systems and critical infrastructure in Europe. The message of the study was that industrial control systems and operating technology in Europe were attacked by ransomware almost as frequently as IT systems. One in two victims experienced significant disruption as a result of these attacks.

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Windows 11: Internet connection and Microsoft account becomes mandatory during setup

Posted on 2022-02-18 by guenni

Windows[German]Microsoft is once again experimenting a lot with the online requirement for upcoming Windows versions. The cat was let out of the bag in the Insider Preview of Windows 11: An Internet connection is mandatory for installation in the OOBE phase. And only Microsoft accounts are then provided for setting up user accounts. By the way, this refers to the Windows 11 Pro variants. This means that scenarios that have been feared time and again are slowly becoming reality.

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Firefox 97.0.1 released

Posted on 2022-02-18 by guenni

Mozilla[German]On February 17, 2022, Mozilla developers released version 97.0.1 as a maintenance update of the Firefox browser to correct various bugs.

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Trend Micro Worry Free Business Security Critical Patch 2390

Posted on 2022-02-18 by guenni

Update[German]Der Sicherheitsanbieter Trend Micro hat zum 15.2.2022 das Update 2390 für seine Worry Free Business Security (WFBS) freigegeben. Der Patch aktualisiert den Apache Web-Server auf Version 2.4.5 und behebt diverse Problemein der Virenschutzlösung. Um diesen Patch zu installieren, muss genügend freier Festplattenspeicher (13 GByte oder mehr) auf dem Systemlaufwerk vorhanden sein.

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Surface Book 3: Feb. 2022 firmware update may brick device

Posted on 2022-02-18 by guenni

[German]Owners of a Microsoft Surface Book 3 should be careful installing a Feb. 2022 firmware update on these devices at the moment. I have information that the combination of certain firmware updates can lead to real issues and bricks a device (device no longer boots, drives disappear).

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Microsoft Security Update Revisions (Feb. 17, 2022)

Posted on 2022-02-18 by guenni

Sicherheit (Pexels, allgemeine Nutzung)Microsoft has sent me a mail with various revisions of security updates as of February 17, 2022. These revisions are only informal, as the classification of certain vulnerabilities has changed. Here is the uncommented overview, which relates to Microsoft Office for Macs.

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Chrome and Firefox: Will there be soon issues with websites when build 100 is reached?

Posted on 2022-02-18 by guenni

[German]The developers of the Chrome and Firefox browsers are currently worrying about whether there will soon be problems with web pages that can then no longer be displayed properly. The background is that the major version of these browsers will soon reach three digits (100) due to the fast update cycles. Websites that check the browser agent string for the browser version could then cause trouble.

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